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Automatic typewriter : It is a power-driven machine, which automatically types a standard pro forma from a previously punched or stencilled master. When the master is placed on the machine and the machine is switched on, the matter is automatically typed on the paper at a speed of about 150 words per minute.
Non-standard information like names, addresses, etc., may be inserted at appropriate places by manual typing. Thus, it is suitable when letters or circulars bearing routine messages have to be reproduced in large numbers.
In primary storage device the storage capacity is fixed. It has a volatile memory. In secondary storage device the storage capacity is not limited. It is a nonvolatile memory. Prim
What are the advantages of electronic payment system? Advantages of the electronic payment system are illustrated below: This gives good security schemes. Four important sec
data floe diagrams for web conferencing
Define buffering. A buffer is a memory area that keeps data while they are transferred among two devices or among a device and an application. Buffering is done for three reas
The Laser Computer Printer Company decides monthly what to produce during the subsequent month. They produce three types of printers, the Laser Rocket, the Alpha Laser, and the La
Define user space? The system space is divided from virtual address space in which the user application programs reside. The letter space is known as user space.
(a) Explain the following terms: Information System and Information Technology. (b) Describe the main components of a computer. Illustrate your answer by a block diagram. (c)
What do you mean by memory mapped I/O? In Memory mapped I/O, there is no particular input or output instructions. The CPU can manipulate I/O data residing in interface register
sequential files
Q. What is Rambus DRAM? RDRAM which was developed by Rambus has been adopted by Intel for its Pentium and Itanium processors. It has become main competitor to SDRAM. RDRAM chip
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